... (Antistatic, Shock-resistant, Anti-oil, Acid resistant, have steel toe cap )S1P standard (Antistatic, Shock-resistant, Anti-oil, Acid ... resistant, have steel toe cap and steel plate )S2 standard ( Water proof, Antistatic, ... Shock-resistant, Anti-oil, Acid resistant, have steel toe cap)S3 standard (Water proof, Antistatic, Shock-resistant, Anti- ...